EntityQ1205637· pop 20· linked from 589 articlesbehavioral ecologySign in to savestudy of the evolutionary basis for animal behavior due to ecological pressuresConnectionsethologyEntityNiko TinbergenEntityecological communityEntityprimary nutritional groupEntityecosystemEntitynatural selectionEntityparasitismEntitybiogeographyEntityRed JunglefowlEntityecological nicheEntitysexual selectionEntityPhengaris arionEntitykin selectionEntityHaplodiploidyEntityparental investmentEntityevolutionarily stable strategyEntityhandicap principleEntitycoefficient of relationshipEntitybirdEntityCharles DarwinEntityCategoriesBehavioral ecology